persist_data: don't allow non-string keys/values

(Bitbake rev: 28958cd55e592853c68f5f2ba79381d1b8dcfb8f)

Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/bitbake/lib/bb/persist_data.py b/bitbake/lib/bb/persist_data.py
index bf8fd77bf1..c9e80ba967 100644
--- a/bitbake/lib/bb/persist_data.py
+++ b/bitbake/lib/bb/persist_data.py
@@ -77,6 +77,11 @@ class SQLTable(collections.MutableMapping):
         self._execute("DELETE from %s where key=?;" % self.table, [key])
 
     def __setitem__(self, key, value):
+        if not isinstance(key, basestring):
+            raise TypeError('Only string keys are supported')
+        elif not isinstance(value, basestring):
+            raise TypeError('Only string values are supported')
+
         data = self._execute("SELECT * from %s where key=?;" %
                                    self.table, [key])
         exists = len(list(data))